CharStack
---------

An implementation of a stack of characters with standard methods: pop, push, isEmpty,
isFull. Default CharStack is of size 100.

There is an exception class that is thrown on stack overflow (push) and stack underflow (pop).

The main program takes as command line argument a file name and performs bracket matching
on that file (see GoTa 5.1.5, algorithm ParenMatch)

Run the program as follows

  > java CharStack StringList.java